/*
 * Copyright (c) 2024 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.fluss.row.decode;

import com.alibaba.fluss.memory.MemorySegment;
import com.alibaba.fluss.row.indexed.IndexedRow;
import com.alibaba.fluss.types.DataType;

/** A decoder to decode {@link IndexedRow} from a byte array or memory segment. */
public class IndexedRowDecoder implements RowDecoder {
    private final DataType[] fieldDataTypes;

    public IndexedRowDecoder(DataType[] fieldDataTypes) {
        this.fieldDataTypes = fieldDataTypes;
    }

    @Override
    public IndexedRow decode(byte[] values) {
        return IndexedRow.from(fieldDataTypes, values);
    }

    @Override
    public IndexedRow decode(MemorySegment segment, int offset, int sizeInBytes) {
        IndexedRow indexedRow = new IndexedRow(fieldDataTypes);
        indexedRow.pointTo(segment, offset, sizeInBytes);
        return indexedRow;
    }
}
